1. Strontium phosphate transfection of human cells in primary culture: stable expression of the Simian virus 40 large-T-antigen gene in primary human bronchial epithelial cells;Brash;Mol. Cell Biol.,1987
2. Safe and efficient generation of recombinant retroviruses with amphotropic and ecotropic host ranges;Danos,1988
3. Transforming growth factor-β1 mRNA in neonatal ovine molars visualized by in situ hybridization: potential role for the stratum intermedium;Jepsen;Archs oral Biol.,1992
4. Epithelial-mesenchymal interactions in the mammalian integument: tooth development as a model for instructive induction;Kollar,1983
5. Tissue interactions in developing mouse tooth germs II. The inductive role of the dental papilla;Kollar;J. Embryol. exp. Morph.,1970